Description
Audi A4 B9 Brake Pump ABS Module Hydraulic Control Braking Unit is a factory-original braking system component that combines the function of a hydraulic pump with electronic ABS system control. Thanks to its precise design and perfect fit for the A4 B9 platform, it ensures stable braking system operation and effective traction control during daily use. This solution is intended for users who expect consistency with the factory Audi configuration and wish to maintain the full functionality of safety systems.
Specifications and technical data
- SKU: 8W0907379AF
- Mark: Audi
- Condition: Used
- OEM Part Number: 8W0907379AF
- Substitutable numbers: 8W0907379AF, 8W0 907 379 AF, 8W0614517AJ, 8W0 614 517 AJ
- Category: ABS Control Modules
Purpose and function in the braking system
The presented ABS module is a component in the ABS Control Units category, responsible for controlling pressure in the brake circuits and executing anti-lock functions during braking. In practice, this means:
- pressure control in brake lines for individual wheels,
- cooperation with wheel speed sensors,
- coordination of hydraulic pump and valve operation,
- maintaining vehicle stability during emergency braking.
As a result, the module supports the operation of active safety systems, ensuring predictable vehicle response in emergency situations.
Construction and technical characteristics
The module combines a hydraulic block with control electronics in a single housing, which facilitates installation and maintenance. The architecture used is consistent with solutions applied by Audi at the factory, which translates into:
- consistency with the vehicle’s electrical installation,
- compatibility with control software in the A4 B9,
- possibility of diagnostics using standard service tools.
As an original Audi component, the module is designed to operate under demanding temperature and pressure conditions typical of an intensively used braking system.
Condition, selection, and practical application
The offered module is a secondary market component, which allows for cost-effective braking system repair while maintaining factory specifications. Replacing a worn or damaged ABS control unit with an original Audi component helps restore:
- proper ABS system operation and stability during braking,
- consistency of communication with other control units in the vehicle,
- possibility of correct calibration and diagnostics of the braking system.
Before installation, it is recommended to verify compatibility with the specific vehicle equipment version and to perform adaptation and system bleeding in accordance with the service procedure.
Benefits of using an original Audi ABS control unit
Using an original ABS module in an Audi A4 B9 is a solution that allows you to maintain the integrity of the entire braking system. Key advantages include:
- factory fitment for the A4 B9 platform,
- preservation of Audi safety system operating logic,
- easier diagnostics and service compared to aftermarket replacements,
- possibility of using existing wiring and connectors without modifications.
For workshops and individual users, this means predictable installation and reduced risk of software compatibility issues.
If you are planning a comprehensive repair or upgrade of the braking zone in your Audi and need other components from the same group, such as pumps, control modules, or hydraulic blocks, check the available parts in the Audi ABS Control Units category.
Safe selection of a used ABS module
When choosing a used ABS control unit, it is crucial to pay attention to compatibility with the specific model version, origin history, and the possibility of performing full diagnostics after installation. To organize the selection and installation process, it is worth using the practical tips described in the article Second-hand braking system: how to safely choose discs, calipers, and ABS?, where you will find a checklist helpful when purchasing braking system components from the secondary market.
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